Who was the transitional figure who composed in both the Classical and Romantic styles and the only "Viennese" composer who was actually from Vienna?

What did Sir Isaac Newton design to organize colors? Name the three primary colors, as defined by Newton on this device

What will be an ideal response?

Which of these works by Tchaikovsky is NOT a ballet?

A. Swan Lake B. Romeo and Juliet C. The Nutcracker D. The Sleeping Beauty